body, ol, ul, h1, h2, h3, h4, h5, h6, p, th, td, dl, dd, carm, fieldset, legend, input, textarea, select {
    margin: 0;
    padding: 0;
    font-size: 12px;
}
body {
    font: 12px/1.5 Arial,"Microsoft YaHei",Helvetica,Verdana,SimHei,sans-serif;
    color: #333;
}



ul,li,ol {
    list-style: none;
}

table {
    border-collapse: collapse; /* 合并边框 */
}
